29. What are the eligibility criteria for political parties to receive public funding?

[O]nly political parties that hold a seat in the respective State/Autonomous Community/municipal legislative body are eligible for direct public funding [...].  [P]ublic subsidies cannot be granted to a political party which has in its management body, electoral list or parliamentary group, a person who has been found guilty of a serious offence (e.g. terrorism, serious offences against public administration, etc.).

Source: GRECO (2009). Evaluation Report on Spain, Transparency of Party Funding, p. 6.

Those political parties having in their management body, electoral list or parliamentary group, a person found guilty of serious offence are not eligible for direct public funding.